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Modeling and Simulation

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Researchers frequently require a quantitative understanding of the likely consequences of different actions before they can advise decisionmakers and design effective policies. RAND develops and uses statistical, econometric, and other exploratory models and simulations to analyze the potential outcomes of different policies in a range of areas such as transportation usage, health care, patient safety, and military campaigns.

Tool

New Tool Can Help Health Officials Plan for COVID-19 Patient Surge

Apr 3, 2020

Hospitals are searching for ways to ramp up their surge capacity to provide critical care for the sickest COVID-19 patients. A new, user-friendly calculator enables decisionmakers at all levels to estimate current critical care capacity and rapidly explore strategies for increasing it.
Report

New Model Helps Predict Cyber Threats and Improve Resilience

May 11, 2021

Today's evolving cyber threats require a tailored and targeted approach to cybersecurity. Current defenses focus on managing threats after a network has been breached. RAND's Scalable Warning and Resilience Model (SWARM) can help defenders proactively protect their systems through early warning of cyber incidents before they occur.

Explore Modeling and Simulation

Journal Article

Trends in Visits to Substance Use Disorder Treatment Facilities in 2020

This study examined weekly changes in the number of substance use disorder treatment facility visits in 2020 compared to 2019, and explored variation in change in weekly visits by COVID-19 incidence and historical fatal drug overdose rate.

Oct 22, 2021
Journal Article

Use of Buprenorphine for Those with Employer-Sponsored Insurance During the Initial Phase of the COVID-19 Pandemic

This study examined changes in the use of buprenorphine to treat opioid use disorder in 2020 during the onset of the COVID-19 pandemic using pharmaceutical claims.

Oct 22, 2021
Journal Article

Modeling Infectious Behaviors: The Need to Account for Behavioral Adaptation in COVID-19 Models

In this essay we discuss the need for new types of simulation models of COVID-19 that couple transmission dynamics with adaptive behaviors.

Oct 20, 2021
Journal Article

Could Periodic Nonpharmaceutical Intervention Strategies Produce Better COVID-19 Health and Economic Outcomes?

We developed a COVID-19 transmission model to compare the effects of nonpharmaceutical public health interventions (NPIs). We find that the periodic switch between low and high NPI levels could have produced similar health outcomes as static strategies but better social welfare outcomes.

Oct 20, 2021
Report

Toward a Unified Multiscale Computational Model of the Human Body's Immediate Responses to Blast-Related Trauma: A Review of the Scientific Literature

This report describes what is known about the human body's immediate responses to blast trauma from the results of computational modeling and identifies opportunities for further research in an effort to fill knowledge gaps.

Oct 4, 2021
Report

Expanding Charter School Capacity: The Case of Propel Montour

Researchers examine the expansion of Propel Schools, a small, regional charter school network in southwestern Pennsylvania, to describe the academic and behavioral experiences of continuing and expansion students from fall 2017 to spring 2020.

Sep 29, 2021
Journal Article

Imputation of Race/Ethnicity to Enable Measurement of HEDIS Performance by Race/Ethnicity

We compared performance for several alternative models predicting self-reported race/ethnicity in cross-sectional observational data to assess accuracy of estimates.

Sep 17, 2021
Tool

The Information Warfighter Exercise Wargame: Rulebook

This document presents the full ruleset for the Information Warfighter Exercise Wargame, which is used by the Marine Corps to provide training for aspects of operations in the information environment.

Aug 24, 2021
Tool

A Toolkit for a Score-Based Balance Metric for the Synthetic Control Method: A Tutorial for the synth_asmd STATA Program

This toolkit includes background information on the synth_asmd program for Stata, a tutorial on its use, and the sample code and datasets used in the tutorial.

Aug 24, 2021
Blog

Insights on Afghanistan, Back to School, North Korea: RAND Weekly Recap

This weekly recap focuses on the collapse in Afghanistan, what parents think about sending kids back to school, insights from game theory on North Korean denuclearization, and more.

Aug 20, 2021
Report

Engaging with North Korea: Lessons from Game Theory

Applying game theory to the situation in North Korea may provide insights into how the United States can deal with Kim Jong-un and carry out negotiations on denuclearization.

Aug 12, 2021
Report

Acquiring a Mosaic Force: Issues, Options, and Trade-Offs

Mosaic Warfare envisions more fractionated, heterogeneous forces, dynamically composed on tactical timelines. In this report, the authors present insights from a policy game to assess alternative governance models for acquiring a Mosaic force.

Aug 9, 2021
Report

Supporting Joint Warfighter Readiness: Opportunities and Incentives for Interservice and Intraservice Coordination with Training-Simulator Acquisition and Use

As conflicts increasingly involve joint operations, joint simulation-based training becomes more important. The authors examine gaps between joint training needs and current and future resources to improve coordination within and among the services.

Aug 4, 2021
News Release

Labor Regulations Attached to Proposition HHH Lowered Los Angeles Housing Production Through Increased Costs, Developer ...

A project labor agreement requiring that a primarily union workforce be used for housing projects for the homeless in Los Angeles appears to be one reason that the city's $1.2 billion Proposition HHH ballot initiative is falling short of its goal.

Aug 2, 2021
Report

Effects of Project Labor Agreements on Affordable Housing Production

A project labor agreement requiring that a primarily union workforce be used for housing projects for people experiencing homelessness in Los Angeles appears to be one reason that the city's $1.2 billion Proposition HHH ballot initiative is falling short of its goal.

Aug 2, 2021
Journal Article

Gaps in Toxic Industrial Chemical Model Systems: Improvements and Changes Over Past 10 Years

To assess the hazards of the releases of toxic chemicals to the atmosphere, comprehensive model systems are often used. This paper reviews knowledge gaps that were resolved in the past ten years by new theoretical and experimental research.

Jul 21, 2021
Journal Article

Statistical Analysis of Presidential Pardons

This report is a study of pardon-petition evaluations performed by the Office of the Pardon Attorney, a unit in the Department of Justice.

Jul 6, 2021
Journal Article

Variation in Generic Dispensing Rates in Medicare Part D

Although generic use has increased markedly over time in Part D, substantial variation across plans persists in a number of common therapeutic classes.

Jun 30, 2021
Commentary

We Studied COVID-19 Cases After Birthdays. Family Gatherings Can Still Be Dangerous

The high toll of COVID-19 in the United States is likely partly due to informal social gatherings that have not been subject to state and local restrictions. They are often small, intimate, and involve people we trust. And that makes them dangerous.

Jun 28, 2021
Multimedia

State-Level Opioid Policy Analyses: Moving Beyond the Classic Difference-in-Differences Model

This workshop provides an overview of key methodological challenges faced when evaluating the effectiveness of state-level policy using annual state-level data, as well as potential solutions and practice guidelines.

Jun 24, 2021

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RAND Topic:
Modeling and Simulation

Topic Synonyms:
Mathematical Modeling;
Modelling

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